パーセント（パーセント、paーsento）
- percent

The Japanese word パーセント represents "percent" in English. It's a way of expressing a proportion or ratio out of a hundred. Essentially, it means "per hundred."

⚫︎試験の合格率は80パーセントです。 Translation: The passing rate for the exam is 80 percent. ⚫︎消費税は10パーセントです。 Translation: The consumption tax is 10 percent. ⚫︎この商品の割引は20パーセントです。 Translation: The discount on this product is 20 percent.

You use パーセント in situations where you want to describe a part of a whole, specifically as a fraction of 100. It's used in various contexts, from percentages in statistics to discounts in shopping.

パーセント is written in katakana: パーセント. It is generally not written in hiragana or kanji. There are no variations in okurigana.

There aren't direct synonyms in Japanese, as パーセント is the standard way to express percentages. However, you might use phrases like 割合（wari-ai, ratio/proportion）or 比率（hiritsu, ratio) in a more general sense.

There aren't direct antonyms for パーセント. You would not use a single word that is an antonym. Instead, if discussing a lack of something, you might use "0%" or describe it as "none" or "zero."

この店の在庫は残り50パーセントです。 ・Translation: The remaining stock in this store is 50 percent. ・Explanation: This sentence describes the proportion of remaining goods out of the total stock.

雨が降る確率は30パーセントです。 ・Translation: The probability of rain is 30 percent. ・Explanation: This indicates the chance of rain, expressed as a percentage.

The word パーセント comes directly from the English word "percent," which itself originates from the Latin phrase "per centum," meaning "out of a hundred." The Japanese language adopted this loanword due to its clear and concise nature for expressing proportions.